1*7453645fSAndriy Voskoboinyk /*- 2*7453645fSAndriy Voskoboinyk * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org> 3*7453645fSAndriy Voskoboinyk * All rights reserved. 4*7453645fSAndriy Voskoboinyk * 5*7453645fSAndriy Voskoboinyk * Redistribution and use in source and binary forms, with or without 6*7453645fSAndriy Voskoboinyk * modification, are permitted provided that the following conditions 7*7453645fSAndriy Voskoboinyk * are met: 8*7453645fSAndriy Voskoboinyk * 1. Redistributions of source code must retain the above copyright 9*7453645fSAndriy Voskoboinyk * notice, this list of conditions and the following disclaimer. 10*7453645fSAndriy Voskoboinyk * 2. Redistributions in binary form must reproduce the above copyright 11*7453645fSAndriy Voskoboinyk * notice, this list of conditions and the following disclaimer in the 12*7453645fSAndriy Voskoboinyk * documentation and/or other materials provided with the distribution. 13*7453645fSAndriy Voskoboinyk * 14*7453645fSAndriy Voskoboinyk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*7453645fSAndriy Voskoboinyk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*7453645fSAndriy Voskoboinyk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*7453645fSAndriy Voskoboinyk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*7453645fSAndriy Voskoboinyk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*7453645fSAndriy Voskoboinyk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*7453645fSAndriy Voskoboinyk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*7453645fSAndriy Voskoboinyk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*7453645fSAndriy Voskoboinyk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*7453645fSAndriy Voskoboinyk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*7453645fSAndriy Voskoboinyk * SUCH DAMAGE. 25*7453645fSAndriy Voskoboinyk */ 26*7453645fSAndriy Voskoboinyk 27*7453645fSAndriy Voskoboinyk #include <sys/cdefs.h> 28*7453645fSAndriy Voskoboinyk __FBSDID("$FreeBSD$"); 29*7453645fSAndriy Voskoboinyk 30*7453645fSAndriy Voskoboinyk #include "opt_wlan.h" 31*7453645fSAndriy Voskoboinyk 32*7453645fSAndriy Voskoboinyk #include <sys/param.h> 33*7453645fSAndriy Voskoboinyk #include <sys/lock.h> 34*7453645fSAndriy Voskoboinyk #include <sys/mutex.h> 35*7453645fSAndriy Voskoboinyk #include <sys/mbuf.h> 36*7453645fSAndriy Voskoboinyk #include <sys/kernel.h> 37*7453645fSAndriy Voskoboinyk #include <sys/socket.h> 38*7453645fSAndriy Voskoboinyk #include <sys/systm.h> 39*7453645fSAndriy Voskoboinyk #include <sys/malloc.h> 40*7453645fSAndriy Voskoboinyk #include <sys/queue.h> 41*7453645fSAndriy Voskoboinyk #include <sys/taskqueue.h> 42*7453645fSAndriy Voskoboinyk #include <sys/bus.h> 43*7453645fSAndriy Voskoboinyk #include <sys/endian.h> 44*7453645fSAndriy Voskoboinyk #include <sys/linker.h> 45*7453645fSAndriy Voskoboinyk 46*7453645fSAndriy Voskoboinyk #include <net/if.h> 47*7453645fSAndriy Voskoboinyk #include <net/ethernet.h> 48*7453645fSAndriy Voskoboinyk #include <net/if_media.h> 49*7453645fSAndriy Voskoboinyk 50*7453645fSAndriy Voskoboinyk #include <net80211/ieee80211_var.h> 51*7453645fSAndriy Voskoboinyk #include <net80211/ieee80211_radiotap.h> 52*7453645fSAndriy Voskoboinyk #include <net80211/ieee80211_ratectl.h> 53*7453645fSAndriy Voskoboinyk 54*7453645fSAndriy Voskoboinyk #include <dev/rtwn/if_rtwnvar.h> 55*7453645fSAndriy Voskoboinyk 56*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h> 57*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8812a/r12a_rx_desc.h> 58*7453645fSAndriy Voskoboinyk 59*7453645fSAndriy Voskoboinyk #include <dev/rtwn/rtl8812a/usb/r12au.h> 60*7453645fSAndriy Voskoboinyk 61*7453645fSAndriy Voskoboinyk 62*7453645fSAndriy Voskoboinyk int 63*7453645fSAndriy Voskoboinyk r12au_classify_intr(struct rtwn_softc *sc, void *buf, int len) 64*7453645fSAndriy Voskoboinyk { 65*7453645fSAndriy Voskoboinyk struct r92c_rx_stat *stat = buf; 66*7453645fSAndriy Voskoboinyk uint32_t rxdw2 = le32toh(stat->rxdw2); 67*7453645fSAndriy Voskoboinyk 68*7453645fSAndriy Voskoboinyk if (rxdw2 & R12A_RXDW2_RPT_C2H) { 69*7453645fSAndriy Voskoboinyk int pos = sizeof(struct r92c_rx_stat); 70*7453645fSAndriy Voskoboinyk /* Check if Rx descriptor + command id/sequence fits. */ 71*7453645fSAndriy Voskoboinyk if (len < pos + 2) /* unknown, skip */ 72*7453645fSAndriy Voskoboinyk return (RTWN_RX_DATA); 73*7453645fSAndriy Voskoboinyk 74*7453645fSAndriy Voskoboinyk if (((uint8_t *)buf)[pos] == R12A_C2H_TX_REPORT) 75*7453645fSAndriy Voskoboinyk return (RTWN_RX_TX_REPORT); 76*7453645fSAndriy Voskoboinyk else 77*7453645fSAndriy Voskoboinyk return (RTWN_RX_OTHER); 78*7453645fSAndriy Voskoboinyk } else 79*7453645fSAndriy Voskoboinyk return (RTWN_RX_DATA); 80*7453645fSAndriy Voskoboinyk } 81*7453645fSAndriy Voskoboinyk 82*7453645fSAndriy Voskoboinyk int 83*7453645fSAndriy Voskoboinyk r12au_align_rx(int totlen, int len) 84*7453645fSAndriy Voskoboinyk { 85*7453645fSAndriy Voskoboinyk if (totlen < len) 86*7453645fSAndriy Voskoboinyk return (roundup2(totlen, 8)); 87*7453645fSAndriy Voskoboinyk 88*7453645fSAndriy Voskoboinyk return (totlen); 89*7453645fSAndriy Voskoboinyk } 90